package cn.tedu.order.service;

import cn.tedu.order.entity.Order;
import cn.tedu.order.feign.AccountClient;
import cn.tedu.order.feign.EasyIdClient;
import cn.tedu.order.feign.StorageClient;
import cn.tedu.order.mapper.OrderMapper;
import io.seata.spring.annotation.GlobalTransactional;
import lombok.experimental.Accessors;
import org.checkerframework.checker.units.qual.A;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.Random;

@Service
public class OrderServiceImpl implements OrderService {
    @Autowired
    private OrderMapper orderMapper;
    @Autowired
    private EasyIdClient easyIdClient;
    @Autowired
    private StorageClient storageClient;
    @Autowired
    private AccountClient accountClient;
    @GlobalTransactional//开启全局事物
    @Transactional
    @Override
    public void create(Order order) {
        //TODO:远程调用发号器,获取订单id
        String s = easyIdClient.nextId("order_business");
        Long orgerId = Long.valueOf(s);
        order.setId(orgerId);
        orderMapper.create(order);
        //TODO: 远程调用库存,减少库存
        storageClient.decrease(order.getProductId(),
                order.getCount());
        //TODO:远程调用账户,扣减账户
        accountClient.decrease(order.getUserId(),
                order.getMoney());
    }
}
